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refactor cmpIgnoreStyle and cmpIgnoreCase (#16399)

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* init

* support strutils

* more

* better

* Call len once per string/cstring

* Change var to let

* Compare ternary on first char

* More appropriate param name

* fix

* better

* one test

* impl

* more efficient

* minor

Co-authored-by: Clyybber <darkmine956@gmail.com>
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flywind 2020-12-31 04:54:40 -06:00 • committed by GitHub
commit 5fb56a3b2c
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8 changed files with 141 additions and 147 deletions
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30
tests/stdlib/tcstrutils.nim Normal file
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discard """
targets: "c cpp js"
"""
import cstrutils
block tcstrutils:
let s = cstring "abcdef"
doAssert s.startsWith("a")
doAssert not s.startsWith("b")
doAssert s.endsWith("f")
doAssert not s.endsWith("a")
let a = cstring "abracadabra"
doAssert a.startsWith("abra")
doAssert not a.startsWith("bra")
doAssert a.endsWith("abra")
doAssert not a.endsWith("dab")
doAssert cmpIgnoreCase(cstring "FooBar", "foobar") == 0
doAssert cmpIgnoreCase(cstring "bar", "Foo") < 0
doAssert cmpIgnoreCase(cstring "Foo5", "foo4") > 0
doAssert cmpIgnoreStyle(cstring "foo_bar", "FooBar") == 0
doAssert cmpIgnoreStyle(cstring "foo_bar_5", "FooBar4") > 0
doAssert cmpIgnoreCase(cstring "", cstring "") == 0
doAssert cmpIgnoreCase(cstring "", cstring "Hello") < 0
doAssert cmpIgnoreCase(cstring "wind", cstring "") > 0